Ole Koretsky says he feels lost without the singer after her sad passing.

She was found dead in her London hotel room on Monday, aged 46.

Ole, who played with Dolores in alternative rock band D.A.R.K, released a statement on the band's official Facebook page.

He said: "My friend, partner, and the love of my life is gone. My heart is broken and it is beyond repair.

"Dolores is beautiful. Her art is beautiful. Her family is beautiful. The energy she continues to radiate is undeniable.

Dolores and Ole (Image: Flynet Pictures)

He says his heart is broken beyond repair (Image: Flynet Pictures)

"I am lost. I miss her so much. I will continue to stumble around this planet for some time knowing well there's no real place for me here now."

The cause of Dolores' 'sudden' death is expected to be revealed this weekend after it was confirmed her post-mortem will take place on Thursday.

Westminster coroner's office told the Irish Daily Mirror this morning: "The post-mortem, at the moment, is scheduled for tomorrow."

She added: "She [Dolores] is one of a number of deaths we are dealing with. We tend to carry out post-mortems in the mornings."

The coroner could not confirm when the results would be issued as there is no confirmed time for the post-mortem, but it is believed the results will be shared by the weekend.

He made a heartbreaking statement (Image: Flynet Pictures)

The cause of Dolores O'Riordan's death is expected to be revealed at the weekend (Image: WENN)

The body of the tragic rocker will then be flown home for her funeral in her native Limerick, which is believed to be taking place next week.

Dolores was discovered by a hotel worker in the bathroom of her suite at London Hilton Park Lane on Monday morning, and fans were left distraught when the news of her passing was revealed to the public.

A spokeswoman for the Hilton, where rooms cost an average of £250 per night, added: "It is with deep regret that we can confirm a guest sadly passed away at the hotel on Monday 15th January.

"We offer our sincere condolences to their family at this difficult time. Team members acted swiftly to alert the Metropolitan Police and we are co-operating fully with their investigation."

The post-mortem will take place in London on Thursday (Image: WENN)

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The Irish star was in town to record a cover of her hit Zombie with rock band Bad Wolves, but sadly never made it to the studio.

London's Metropolitan Police said its preliminary investigation has not thrown up anything suspicious about her passing.

A statement by the band - who have sold 40 million records with hits including Zombie and Linger - confirmed: "Irish and international singer Dolores O’Riordan has died suddenly in London today.

She was found dead in the bathroom of her room at the London Hilton, on Park Lane (Image: PA)

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"She was 46 years old. The lead singer with the Irish band The Cranberries, was in London for a short recording session. No further details are available at this time.

"Family members are devastated to hear the breaking news and have requested privacy at this very difficult time."